Out of the box, Linux is a highly secure operating system, but does that mean you can get by without a bit of help? Let's find out.

IPFire is a Linux-based stateful firewall distro that’s built on top of Netfilter. It began as a fork of the IPCop project, ...

Now it's time to configure the Linux bridge with the same firewall policy I implemented under OpenWrt. Listing 2 shows last month's custom iptables script, adapted for use as an Ubuntu init script.

The Linux kernel itself has many functions built in for network routing, traffic shaping, bridging, virtual IP addresses, and just about anything else that a firewall needs to support.

How to Configure a Linksys Router With Firewall Hardware. Linksys routers are designed to enable multiple devices to connect to the Internet at one time, but they often offer additional features ...

Symantec Endpoint Protection manages network access using policies. The application includes a default firewall policy that contains predefined rules to filter harmful traffic and detect ...